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b. Use one finger to slide the battery up and out from its socket.

Replacing the CMOS battery

You must replace the system board complementary metal-oxide semiconductor (CMOS) battery after you

perform routine maintenance.

The lithium battery must be handled correctly to avoid possible danger. If you replace the battery, you

must adhere to all safety instructions.

Use the reference numbers in parentheses at the end of each notice, such as (C003) for example, to find

the matching translated notice in IBM Systems Safety Notices.

Replacing the SAN Volume Controller 2145-CF8 system-board CMOS battery

This topic describes how to replace the system-board SAN Volume Controller 2145-CF8 CMOS battery.

DANGER

Multiple power cords. The product might be equipped with multiple power cords. To remove all

hazardous voltages, disconnect all power cords.

CAUTION:

The battery contains lithium. To avoid possible explosion, do not burn or charge the battery.

Do not:

v Throw or immerse into water

v Heat to more than 100°C (212°F)

v Repair or disassemble

Exchange only with the IBM-approved part. Recycle or discard the battery as instructed by local

regulations. In the United States, IBM has a process for the collection of this battery. For information,

call 1-800-426-4333. Have the IBM part number for the battery unit available when you call. (C003)

This service action assumes that:

v The node is turned off.

v The power cables are disconnected.

v The battery is removed from the node.

v The top cover is off.

svc00111

Figure 140. SAN Volume Controller 2145-8F2 or the SAN Volume Controller 2145-8F4 CMOS battery holder

134 IBM SAN Volume Controller Hardware Maintenance Guide

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IBM SAN Volume Controller Specifications

General